6S4A GE Canada NOS 1965 (27ma)

6S4A GE Canada NOS 1965

27ma

Gm=4900

Tested on Amplitrex

(the 6S4A features high plate current at relatively low plate voltages and is capable
of withstanding high pulse voltages)(Vfil=6.3V @ 600ma)
MAX Ratings: Vplate=550V, Iplate=30ma, Pout=8.5 watts
Typical Operation: Vplate=250V, Vgrid=-8V, Iplate=24ma, Mu=16.5, Gm=4500, Rplate=3700 ohms)

– Woo Audio GES Electrostatic headphone amp